How does the ceiling fan actually lower the temperature in a room?

2 Answers

The cold hard fact is that the ceiling fan does not lower the temperature. What happens is that you get what is called a chilling effect from a ceiling fan. This chilling effect evaporates perspiration and makes the person feel cooler although the actual temperature in the room stays the same. This evaporation makes you think you are cooler – and what you think is what really matters after all. Think about how it feels to be walking outside on a day when the temperature is fairly high. You’re most likely warm and somewhat uncomfortable. Suddenly a breeze comes up and you feel cooler. And, it’s a pleasant feeling. On the other hand, picture yourself walking from the heat into an air-conditioned building. While you feel different, it’s coldness not cooling you feel. What about the energy saving factor? Since ceiling fans don’t actually cool the air, doesn’t your air conditioner setting have to stay the same? The answer is definitely not. Because the chilling effect makes you feel cooler,

The cold hard fact is that the ceiling fan does not lower the temperature. What happens is that you get what is called a chilling effect from a ceiling fan. This chilling effect evaporates perspiration and makes the person feel cooler although the actual temperature in the room stays the same. This evaporation makes you think you are cooler – and what you think is what really matters after all. Think about how it feels to be walking outside on a day when the temperature is fairly high. You’re most likely warm and somewhat uncomfortable. Suddenly a breeze comes up and you feel cooler. And, it’s a pleasant feeling. On the other hand, picture yourself walking from the heat into an air-conditioned building. While you feel different, it’s coldness not cooling you feel. What about the energy saving factor? Since ceiling fans don’t actually cool the air, doesn’t your air conditioner setting have to stay the same? The answer is definitely not. Because the chilling effect makes you feel cooler,